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Finding the Fourth Proportional to 178,094.71, 267,171.27 and 84,568.87

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Solution

The fourth proportional to 178,094.71, 267,171.27 and 84,568.87 is: 126,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,094.71 : 267,171.27 = 84,568.87 : x
  2. Step 2: Convert to fraction form
    178,094.71/267,171.27 = 84,568.87/x
  3. Step 3: Cross multiply
    178,094.71x = 267,171.27 × 84,568.87
  4. Step 4: Simplify right side
    178,094.71x = 22,594,372,400.36
  5. Step 5: Solve for x
    x = 22,594,372,400.36/178,094.71
  6. Step 6: Final answer
    x = 126,867.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.